Investment in National CineMedia Inc. - Summary of Activity with NCM Included in Company's Consolidated Financial Statements (Parenthetical) (Detail) $ in Millions	6 Months Ended
Jun. 30, 2024 USD ($)
Equity Method Investments and Joint Ventures [Abstract]
Company's beverage concessionaire advertising costs	$ 3.7
Amounts recognized as accounts receivable	$ 2.2

Cost of on-screen advertising time provided to beverage concessionaire.

No definition available.

Name:	cnk_CostOfOnScreenTimeProvidedToBeverageConcessionaire
Namespace Prefix:	cnk_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration